"Bulldozers are powerful machines that dig and carry heavy loads. But that's not all they do! Readers will love learning about different types of bulldozers, how they're used, and more in this fun book"--
"Cross country dirt bike racers zoom through woods, deserts, fields, and anywhere else the course takes them. Learn about racing gear, powerful dirt bikes, and the thrilling moments that keep fans coming back for more"--
"Dirt bikes can race on almost any terrain! But how do they handle rough trails and obstacles? Readers will learn about the many types of dirt bikes and get an inside look at what happens inside an engine"--